package com.atguigu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @Description:
 * @Author 胡菜鸡
 * @Create 2021-12-17-15:50
 */
public class ListValueConstraintValidator implements ConstraintValidator<ListValue, Integer> {

    private Set<Integer> set = new HashSet<>();

    /**
     * 初始化方法
     *
     * @author 胡菜鸡
     * @date 2021/12/17 15:52
     */
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        if(vals != null && vals.length > 0){
            for (int val: vals) {
                set.add(val);
            }
        }
    }

    /**
     * 判断是否校验成功
     *
     * @author 胡菜鸡
     * @date 2021/12/17 15:53
     * @param value 需要校验的值
     * @param context 校验的上下文环境信息
     */
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {

        return set.contains(value);
    }
}
